September 2017
Outline
- x3p format and viewer
- example application: groove finding
x3p format and viewer
x3p format: ISO 25178-72:2017
- x3p format: standardized format (ISO and DIN) for surface measurements
- ML based format that allows to store measurements together with meta-information (operator, resolution, machine, … )
- adapted by Open Forensic Metrology Consortium for metrology data
- 'buy-in' by academic and industry partners (supported by NanoFocus, Alicona, and Sensofar among others)
- NIST ballistics database provides files for bullet lands, breech faces, firing pin impressions, … in x3p format
- Problem: no 'easy' platform independent x3p viewer
Example of an x3p viewer
- programmatic solutions: Matlab or R
- land engraved area for bullet (part of Hamby set)